| Existence and Uniqueness of Limit Cycle about Predator Prey System with Sparssing Effect |
| Revised:November 10, 1996 |
| Key Words:
limit cycle equilibrium points system uniqueness existence.
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| Abstract: |
| A predator prey model with sparrssing effect is considered as follows:=x(ax-cx３-by);=y(-α+βx-γy)(*). The main result is as follows: (1) when Ａ１＜Ａ１，Ａ2＜Ａ2，Ａ3＞Ａ3,there at leastn exists a limit cycle of the system(*); (2) when A22,A3>A3,there exists unique limit cycle of the system(*). |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.1997.01.014 |
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